When asking for technical help at the very least let us know the version of firmware you are running.Cliff's Calibration (Mapping) Guide is a MUST READ: http://www.vemssupport.com/forum/index.php/topic,97.0.html
My current VEMS system is set up for a single coil and distributor configuration, but I'm interested in changing to a 6-2 setup for a twin-plug flat-6 engine. What needs to change inside the VEMS unit to facilitate this change?